FIELD: radio engineering, communication.
SUBSTANCE: invention relates to multicast mobility. A mobile access gateway (MAG) comprising: a first receiver configured to receive a first packet with a first Internet Protocol (IP) address from a first local mobility anchor (LMA) and a second packet with a second IP address from a second LMA, wherein the first LMA is a multicast LMA for multicast traffic and the second LMA is a unicast LMA for unicast traffic; a router configured to route the first packet and the second packet to a wireless transmit receive unit (WTRU) using both unicast and multicast services; a second receiver configured to receive a router request message from the WTRU; and a processor which is further configured to maintain a binding update list including entries for binding the WTRU with the first LMA and the second LMA.
EFFECT: providing multicast.
18 cl, 13 dwg
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